module load R/3.4.0-gu (awoonga)
module load R/3.4.0 (gowonda)

Old Packages:
=============
module load R/3.3.3
OR
module load R/3.2.3
OR
module load R/3.2.0
module load R/3.4.0
There are other older versions as well.
module avail R